A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 0514 UTC on 24 February 2017

[ The Tracking News | ephemerides | cleared ]

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see the JPL NEO Program Sentry and NEODyS CLOMON2 risk pages.
0000NNN000

Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2017 DG16NEODyS1831 Feb. 232072-2105457.8e-05-6.48-6.510Based on 26 optical observations (of which 0 are rejected as outliers) from 2017-02-21.237 to 2017-02-22.923.
JPL Sentry1806 Feb. 232074-2105231.1e-04-6.32-6.370Analysis based on 30 observations spanning 1.9019 days (2017-Feb-21.23575 to 2017-Feb-23.137655). Diameter approximately 0.005 km. from mean, weighted H=29.3.
Assessment postings were noted by A/CC on 23 Feb.   -   References: MPEC 2017-D36 plus DOU 2017-D37
2017 CA33NEODyS1535 Feb. 212043-2116159.53e-10-8.43-9.050Based on 6 optical observations (of which 0 are rejected as outliers) from 2017-02-04.521 to 2017-02-06.288.
JPL Sentry1639 Feb. 202034-2116165.6e-09-7.74-8.440Analysis based on 6 observations spanning 1.7670 days (2017-Feb-04.51994 to 2017-Feb-06.28698). Diameter approximately 0.046 km. from mean, weighted H=24.4.
Assessment postings were noted by A/CC on 20 Feb. & 21 Feb.   -   References: DOU 2017-D23
2017 CY32NEODyS1535 Feb. 212047-209341.2e-08-9.14-9.390Based on 18 optical observations (of which 0 are rejected as outliers) from 2017-02-01.401 to 2017-02-01.528.
JPL Sentry1639 Feb. 202047-210754.0e-09-9.86-10.00Analysis based on 18 observations spanning .12763 days (2017-Feb-01.39999 to 2017-Feb-01.52762). Diameter approximately 0.007 km. from mean, weighted H=28.5.
Assessment postings were noted by A/CC on 20 Feb. & 21 Feb.   -   References: DOU 2017-D23
2017 BF136NEODyS1535 Feb. 212040-208144.89e-09-8.52-8.940Based on 14 optical observations (of which 1 are rejected as outliers) from 2017-01-31.335 to 2017-02-01.370.
JPL Sentry1639 Feb. 202050-208181.2e-08-8.12-8.550Analysis based on 13 observations spanning 1.0354 days (2017-Jan-31.33373 to 2017-Feb-01.36918). Diameter approximately 0.021 km. from mean, weighted H=26.1.
Assessment postings were noted by A/CC on 20 Feb. & 21 Feb.   -   References: DOU 2017-D23
2017 BE136JPL Sentry1807 Feb. 212025-2116191.1e-08-7.18-7.880Analysis based on 7 observations spanning .90380 days (2017-Jan-30.42534 to 2017-Jan-31.329142). Diameter approximately 0.067 km. from mean, weighted H=23.6.
An assessment posting was noted by A/CC on 21 Feb.   -   References: DOU 2017-D23
2017 BY93NEODyS1831 Feb. 23207011.15e-08-6.84-6.840Based on 138 optical observations (of which 1 are rejected as outliers) from 2017-01-26.500 to 2017-02-21.521.
JPL Sentry1649 Feb. 19R E M O V E DRisk listing removed at 1615 UTC 19 Feb.
Assessment postings were noted by A/CC on 4 Feb., 5 Feb., 6 Feb., 7 Feb., 8 Feb., 10 Feb., 14 Feb., 15 Feb., 16 Feb., 17 Feb., 19 Feb., 20 Feb., 21 Feb. & 23 Feb.   -   References: MPEC 2017-C35 plus DOUs 2017-C49, 2017-C70, 2017-C77, 2017-C86, 2017-C88, 2017-D03, 2017-D12, 2017-D20, 2017-D23, 2017-D24, 2017-D33 & 2017-D37
2017 BG92NEODyS2100 Feb. 52045-2116312.74e-05-6.44-6.60Based on 11 optical observations (of which 0 are rejected as outliers) from 2017-01-28.400 to 2017-02-02.418.
JPL Sentry1730 Feb. 52045-2110251.9e-05-6.68-7.060Analysis based on 10 observations spanning 5.0184 days (2017-Jan-28.39899 to 2017-Feb-02.41736). Diameter approximately 0.006 km. from mean, weighted H=28.6.
Assessment postings were noted by A/CC on 1 Feb. & 5 Feb.   -   References: MPEC 2017-C09 plus DOU 2017-C49
2017 BV32JPL Sentry1810 Feb. 5R E M O V E DRisk listing removed at 1754 UTC 5 Feb.
NEODyS1653 Feb. 12027-210071.57e-08-4.47-4.660Based on 12 optical observations (of which 0 are rejected as outliers) from 2017-01-28.236 to 2017-01-31.132.
Assessment postings were noted by A/CC on 31 Jan., 1 Feb. & 5 Feb.   -   References: MPEC 2017-B164
2017 BO32NEODyS1831 Feb. 232072-2101373.44e-06-5.68-6.060Based on 19 optical observations (of which 0 are rejected as outliers) from 2017-01-29.398 to 2017-02-05.104.
JPL Sentry1730 Feb. 232072-2092252.5e-06-5.61-5.930Analysis based on 19 observations spanning 6.7060 days (2017-Jan-29.39721 to 2017-Feb-05.103182). Diameter approximately 0.041 km. from mean, weighted H=24.6.
Assessment postings were noted by A/CC on 31 Jan., 1 Feb., 2 Feb., 5 Feb., 6 Feb. & 23 Feb.   -   References: MPEC 2017-B155 plus DOUs 2017-C16, 2017-C49 & 2017-D37
2017 BW30NEODyS1644 Feb. 62074-211591.49e-08-7.51-7.950Based on 51 optical observations (of which 1 are rejected as outliers) from 2017-01-28.542 to 2017-02-06.173.
JPL Sentry1631 Feb. 4R E M O V E DRisk listing removed at 1608 UTC 4 Feb.
Assessment postings were noted by A/CC on 30 Jan., 31 Jan., 2 Feb., 4 Feb., 5 Feb. & 6 Feb.   -   References: MPEC 2017-B131 plus DOUs 2017-B133, 2017-C16, 2017-C47, 2017-C49 & 2017-C67
2017 BL30JPL Sentry2000 Feb. 232029-205245.8e-06-3.98-3.980Analysis based on 239 observations spanning 26.139 days (2017-Jan-28.37792 to 2017-Feb-23.51726). Diameter approximately 0.073 km. from mean, weighted H=23.3.
NEODyS1831 Feb. 232029-2109153.54e-05-3.18-3.180Based on 239 optical observations (of which 0 are rejected as outliers) from 2017-01-28.379 to 2017-02-23.518.
Assessment postings were noted by A/CC on 30 Jan., 31 Jan., 1 Feb., 2 Feb., 3 Feb., 4 Feb., 5 Feb., 6 Feb., 7 Feb., 8 Feb., 9 Feb., 11 Feb., 12 Feb., 14 Feb., 15 Feb., 16 Feb., 17 Feb., 19 Feb., 20 Feb., 21 Feb., 22 Feb. & 23 Feb.   -   References: MPEC 2017-B125 plus DOUs 2017-B160, 2017-C14, 2017-C33, 2017-C47, 2017-C49, 2017-C67, 2017-C70, 2017-C72, 2017-C75, 2017-C78, 2017-C83, 2017-C86, 2017-C88, 2017-D03, 2017-D12, 2017-D20, 2017-D23, 2017-D24, 2017-D33 & 2017-D37
2017 BK30NEODyS2100 Feb. 52085-210645.72e-07-7.52-7.820Based on 33 optical observations (of which 3 are rejected as outliers) from 2017-01-26.449 to 2017-02-04.013.
JPL Sentry1730 Feb. 5208521.4e-07-8.11-8.260Analysis based on 33 observations spanning 8.5641 days (2017-Jan-26.44804 to 2017-Feb-04.012101). Diameter approximately 0.012 km. from mean, weighted H=27.2.
Assessment postings were noted by A/CC on 30 Jan., 31 Jan., 1 Feb., 4 Feb. & 5 Feb.   -   References: MPEC 2017-B124 plus DOUs 2017-B160, 2017-C14, 2017-C47 & 2017-C49
2017 BE30JPL Sentry1730 Feb. 23210011.0e-07-7.70-7.700Analysis based on 27 observations spanning 5.8769 days (2017-Jan-27.53064 to 2017-Feb-02.407498). Diameter approximately 0.018 km. from mean, weighted H=26.3.
NEODyS2100 Feb. 5210021.28e-07-7.60-7.670Based on 25 optical observations (of which 0 are rejected as outliers) from 2017-01-27.531 to 2017-02-02.408.
Assessment postings were noted by A/CC on 29 Jan., 30 Jan., 31 Jan., 1 Feb., 2 Feb., 5 Feb. & 23 Feb.   -   References: MPEC 2017-B113 plus DOUs 2017-B160, 2017-C16, 2017-C49 & 2017-D37
2017 BD6NEODyS2100 Feb. 52083-209341.79e-08-9.69-10.020Based on 20 optical observations (of which 0 are rejected as outliers) from 2017-01-26.387 to 2017-02-02.554.
JPL Sentry1810 Feb. 5209011.0e-09-10.95-11.00Analysis based on 18 observations spanning 7.1671 days (2017-Jan-26.38633 to 2017-Feb-02.553459). Diameter approximately 0.007 km. from mean, weighted H=28.6.
Assessment postings were noted by A/CC on 27 Jan., 28 Jan., 1 Feb., 2 Feb. & 5 Feb.   -   References: MPEC 2017-B80 plus DOUs 2017-C16 & 2017-C49
2017 AF21NEODyS1652 Feb. 32037-2091108.5e-09-8.07-8.350Based on 7 optical observations (of which 0 are rejected as outliers) from 2017-01-04.424 to 2017-01-07.315.
JPL Sentry1654 Jan. 242032-2108121.9e-08-7.73-8.360Analysis based on 7 observations spanning 2.8910 days (2017-Jan-04.42327 to 2017-Jan-07.31426). Diameter approximately 0.033 km. from mean, weighted H=25.1.
Assessment postings were noted by A/CC on 24 Jan. & 3 Feb.   -   References: DOU 2017-B54
2017 AE21NEODyS1622 Jan. 252023-2107521.14e-07-7.11-7.820Based on 5 optical observations (of which 0 are rejected as outliers) from 2017-01-03.526 to 2017-01-04.564.
JPL Sentry1933 Jan. 242020-2117903.2e-06-4.87-5.420Analysis based on 5 observations spanning 1.0383 days (2017-Jan-03.52485 to 2017-Jan-04.563112). Diameter approximately 0.034 km. from mean, weighted H=25.0.
Assessment postings were noted by A/CC on 24 Jan. & 25 Jan.   -   References: DOU 2017-B54
2017 AB21NEODyS1622 Jan. 252019-2116618.86e-09-5.72-6.310Based on 7 optical observations (of which 0 are rejected as outliers) from 2017-01-03.471 to 2017-01-04.445.
JPL Sentry1747 Jan. 242024-2110255.6e-09-5.80-6.420Analysis based on 7 observations spanning .97445 days (2017-Jan-03.46971 to 2017-Jan-04.444158). Diameter approximately 0.243 km. from mean, weighted H=20.7.
Assessment postings were noted by A/CC on 24 Jan. & 25 Jan.   -   References: DOU 2017-B54
2017 AA21NEODyS1622 Jan. 252020-2116731.02e-06-5.92-6.190Based on 7 optical observations (of which 0 are rejected as outliers) from 2017-01-03.461 to 2017-01-04.441.
JPL Sentry1747 Jan. 242020-21162104.3e-06-5.54-5.850Analysis based on 7 observations spanning .98032 days (2017-Jan-03.45994 to 2017-Jan-04.44026). Diameter approximately 0.021 km. from mean, weighted H=26.0.
Assessment postings were noted by A/CC on 24 Jan. & 25 Jan.   -   References: DOU 2017-B54
2017 AY20JPL Sentry1654 Jan. 24202111.5e-10-6.22-6.220Analysis based on 7 observations spanning 1.0194 days (2017-Jan-03.41671 to 2017-Jan-04.436077). Diameter approximately 0.330 km. from mean, weighted H=20.1.
An assessment posting was noted by A/CC on 24 Jan.   -   References: DOU 2017-B54
2017 AT20NEODyS1622 Jan. 252028-2117222.34e-06-6.34-6.530Based on 6 optical observations (of which 0 are rejected as outliers) from 2017-01-03.373 to 2017-01-04.416.
JPL Sentry1842 Jan. 242039-21162974.5e-06-6.57-7.120Analysis based on 6 observations spanning 1.0436 days (2017-Jan-03.37171 to 2017-Jan-04.415357). Diameter approximately 0.013 km. from mean, weighted H=27.1.
Assessment postings were noted by A/CC on 24 Jan. & 25 Jan.   -   References: DOU 2017-B54
2017 AR20JPL Sentry1747 Jan. 24202311.3e-10-7.02-7.020Analysis based on 7 observations spanning 1.1013 days (2017-Jan-03.3104 to 2017-Jan-04.411667). Diameter approximately 0.190 km. from mean, weighted H=21.3.
An assessment posting was noted by A/CC on 24 Jan.   -   References: DOU 2017-B54
2017 AP4NEODyS1652 Feb. 3211514.03e-07-7.69-7.690Based on 12 optical observations (of which 0 are rejected as outliers) from 2017-01-04.487 to 2017-01-09.349.
JPL Sentry1830 Jan. 28R E M O V E DRisk listing removed at 1806 UTC 28 Jan.
Assessment postings were noted by A/CC on 28 Jan., 29 Jan. & 3 Feb.   -   References: DOUs 2017-B102, 2017-C33 & 2017-C70
2016 WJ1NEODyS0100 Feb. 122104-211554.44e-07-4.78-5.10Based on 376 optical observations (of which 3 are rejected as outliers) from 2003-07-04.606 to 2016-12-15.993.
An assessment posting was noted by A/CC on 12 Feb.   -   References: DOU 2017-C78
2016 TB57NEODyS1717 Jan. 282096-2116114.8e-06-6.33-6.510Based on 119 optical observations (of which 2 are rejected as outliers) from 2016-09-12.527 to 2017-01-25.645.
JPL Sentry1902 Jan. 27211211.1e-08-9.01-9.010Analysis based on 116 observations spanning 135.12 days (2016-Sep-12.526234 to 2017-Jan-25.644213). Diameter approximately 0.020 km. from mean, weighted H=26.1.
Assessment postings were noted by A/CC on 27 Jan. & 28 Jan.   -   References: DOU 2017-B70
2015 HV182JPL Sentry0531 Feb. 102017-21135097.1e-07-4.14-5.450Analysis based on 9 observations spanning .99953 days (2015-Apr-18.27618 to 2015-Apr-19.27571). Diameter approximately 0.153 km. from mean, weighted H=21.7.
An assessment posting was noted by A/CC on 10 Feb.   -   References: no recent MPECs
2014 QN266NEODyS1730 Feb. 12078-2117102.54e-06-6.57-6.710Based on 75 optical observations (of which 0 are rejected as outliers) from 2014-08-18.456 to 2014-10-29.400.
JPL Sentry1653 Feb. 12078-210932.1e-06-6.60-6.660Analysis based on 75 observations spanning 71.944 days (2014-Aug-18.45521 to 2014-Oct-29.399567). Diameter approximately 0.019 km. from mean, weighted H=26.2.
Assessment postings were noted by A/CC on 1 Feb.   -   References: DOU 2017-C14
2014 FX32NEODyS1704 Jan. 252076-211533.36e-06-5.69-5.690Based on 68 optical observations (of which 0 are rejected as outliers) from 2014-03-14.566 to 2014-05-28.165.
JPL Sentry1622 Jan. 252076-210833.1e-06-5.71-5.710Analysis based on 68 observations spanning 74.599 days (2014-Mar-14.565659 to 2014-May-28.164672). Diameter approximately 0.033 km. from mean, weighted H=25.1.
Assessment postings were noted by A/CC on 25 Jan.   -   References: DOU 2017-B62
2011 CF66JPL Sentry0516 Feb. 12018-21148081.5e-05-6.04-7.180Analysis based on 11 observations spanning .17761 days (2011-Feb-13.33976 to 2011-Feb-13.51737). Diameter approximately 0.010 km. from mean, weighted H=27.8.
An assessment posting was noted by A/CC on 1 Feb.   -   References: no recent MPECs
2010 AU118JPL Sentry0332 Jan. 262020-2112381.8e-08-2.73-3.160Analysis based on 19 observations spanning 1.3896 days (2010-Jan-13.89477 to 2010-Jan-15.28441). Diameter approximately 1.900 km. from mean, weighted H=16.2.
An assessment posting was noted by A/CC on 26 Jan.   -   References: no recent MPECs
2009 VZ39JPL Sentry0515 Feb. 212017-21149237.0e-06-6.23-7.610Analysis based on 8 observations spanning .04342 days (2009-Nov-10.27204 to 2009-Nov-10.31546). Diameter approximately 0.009 km. from mean, weighted H=27.9.
An assessment posting was noted by A/CC on 21 Feb.   -   References: no recent MPECs
2008 EL68NEODyS1718 Feb. 102024-2111423.26e-07-8.00-8.640Based on 8 optical observations (of which 0 are rejected as outliers) from 2008-03-06.408 to 2008-03-06.480.
An assessment posting was noted by A/CC on 10 Feb.   -   References: no recent MPECs
C   L   E   A   R   E   D
2017 CM32NEODyS1646 Feb. 18R E M O V E D
JPL Sentry1646 Feb. 18R E M O V E DRisk listing removed at 1605 UTC 18 Feb.
Assessment postings were noted by A/CC on 16 Feb., 17 Feb. & 18 Feb.   -   References: MPEC 2017-D08 plus DOUs 2017-D19 & 2017-D33
2017 CH1NEODyS1717 Feb. 15R E M O V E D
JPL Sentry1717 Feb. 15R E M O V E DRisk listing removed at 1606 UTC 15 Feb.
Assessment postings were noted by A/CC on 5 Feb., 6 Feb., 7 Feb., 8 Feb., 10 Feb. & 15 Feb.   -   References: MPEC 2017-C55 plus DOUs 2017-C70, 2017-C77, 2017-C88 & 2017-D37
2017 CSNEODyS1600 Feb. 8R E M O V E D
JPL Sentry1730 Feb. 6R E M O V E DRisk listing removed at 1700 UTC 6 Feb.
Assessment postings were noted by A/CC on 4 Feb., 5 Feb., 6 Feb. & 8 Feb.   -   References: MPEC 2017-C43 plus DOUs 2017-C49, 2017-C67, 2017-C70, 2017-C77, 2017-D12, 2017-D24 & 2017-D33
2017 BP31NEODyS1652 Feb. 3R E M O V E D
Assessment postings were noted by A/CC on 31 Jan. & 3 Feb.   -   References: MPEC 2017-B139 plus DOUs 2017-C16, 2017-C49, 2017-C67, 2017-C72, 2017-C75, 2017-C77, 2017-C83, 2017-C85, 2017-C88 & 2017-D24
2017 BJ30NEODyS1653 Feb. 1R E M O V E D
Assessment postings were noted by A/CC on 30 Jan. & 1 Feb.   -   References: MPEC 2017-B122 plus DOUs 2017-B133 & 2017-C14
2017 BH30NEODyS1730 Jan. 31R E M O V E D
JPL Sentry0642 Jan. 30R E M O V E DRisk listing removed at 0605 UTC 30 Jan.
Assessment postings were noted by A/CC on 29 Jan., 30 Jan. & 31 Jan.   -   References: MPECs 2017-B118, 2017-B120, 2017-B121 & 2017-B132 plus DOU 2017-B160
2017 BF30JPL Sentry1730 Feb. 5R E M O V E DRisk listing removed at 1704 UTC 5 Feb.
NEODyS1700 Feb. 2R E M O V E D
Assessment postings were noted by A/CC on 29 Jan., 30 Jan., 31 Jan., 2 Feb. & 5 Feb.   -   References: MPEC 2017-B117 plus DOUs 2017-B133, 2017-C16, 2017-C49, 2017-C70, 2017-C77 & 2017-D37
2017 BS5JPL Sentry1624 Jan. 27R E M O V E DRisk listing removed at 1609 UTC 27 Jan.
Assessment postings were noted by A/CC on 26 Jan. & 27 Jan.   -   References: MPEC 2017-B69 plus DOUs 2017-B70, 2017-B110 & 2017-C33
2017 BL3NEODyS1700 Jan. 27R E M O V E D
JPL Sentry1624 Jan. 27R E M O V E DRisk listing removed at 1613 UTC 27 Jan.
Assessment postings were noted by A/CC on 24 Jan., 25 Jan., 26 Jan. & 27 Jan.   -   References: MPEC 2017-B50 plus DOUs 2017-B62, 2017-B65, 2017-B70, 2017-B102, 2017-B110, 2017-B133, 2017-B160, 2017-C14, 2017-C16, 2017-C33, 2017-C67, 2017-C70, 2017-C77, 2017-C78, 2017-C83, 2017-C86, 2017-C88 & 2017-D20
2017 AD5NEODyS1622 Jan. 25R E M O V E D
An assessment posting was noted by A/CC on 25 Jan.   -   References: DOUs 2017-B62 & 2017-B110
2017 AK3NEODyS1700 Feb. 2R E M O V E D
JPL Sentry1624 Jan. 27R E M O V E DRisk listing removed at 1609 UTC 27 Jan.
Assessment postings were noted by A/CC on 25 Jan., 27 Jan., 28 Jan. & 2 Feb.   -   References: DOUs 2017-B62, 2017-B70, 2017-C16 & 2017-C49
2016 YM4NEODyS1652 Feb. 3R E M O V E D
An assessment posting was noted by A/CC on 3 Feb.   -   References: DOUs 2017-C33 & 2017-C78
2016 AY193NEODyS1705 Feb. 7R E M O V E D
JPL Sentry1705 Feb. 7R E M O V E DRisk listing removed at 1602 UTC 7 Feb.
Assessment postings were noted by A/CC on 7 Feb.   -   References: DOU 2017-C70
2014 NZ64NEODyS1705 Feb. 7R E M O V E D
JPL Sentry1705 Feb. 7R E M O V E DRisk listing removed at 1614 UTC 7 Feb.
Assessment postings were noted by A/CC on 7 Feb.   -   References: DOU 2017-C70
2012 AP10JPL Sentry0512 Feb. 24R E M O V E DRisk listing removed at 0423 UTC 24 Feb.
An assessment posting was noted by A/CC on 24 Feb.   -   References: MPEC 2017-D38
2005 VL1NEODyS1600 Feb. 4R E M O V E D
JPL Sentry0503 Jan. 28R E M O V E DRisk listing removed at 0351 UTC 28 Jan.
Assessment postings were noted by A/CC on 28 Jan., 29 Jan. & 4 Feb.   -   References: MPEC 2017-B84 plus DOUs 2017-B102 & 2017-C33

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

For a list of risk-rated objects currently under observation, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more information.


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